1N4933GP-1N4937GP
1N4933GP-1N4937GP, Rev. A
1N4933GP - 1N4937GP
1.0 Ampere Glass Passivated Fast Recovery Rectifiers
Absolute Maximum Ratings*
T
A
= 25C unless otherwise noted
*
These ratings are limiting values above which the serviceability of any semiconductor device may be impaired.
Electrical Characteristics
T
A
= 25C unless otherwise noted
1999 Fairchild Semiconductor Corporation
Features
Low forward voltage drop.
High surge current capability.
High reliability.
High current capability.
Parameter Device Units
4933GP 4934GP 4935GP 4936GP 4937GP
Peak Repetitive Reverse Voltage 50 100 200 400 600 V
Maximum RMS Voltage 35 70 140 280 420 V
DC Reverse Voltage (Rated V
R
) 50 100 200 400 600 V
Maximum Reverse Current
@ rated V
R
T
A
= 25
C
T
A
= 125
C
5.0
100
A
A
Maximum Reverse Recovery Time
I
F
= 0.5 A, I
R
= 1.0 A, I
RR
= 0.25A
150 nS
Maximum Forward Voltage @ 1.0 A 1.2 V
Typical Junction Capacitance
V
R
= 4.0 V, f = 1.0 MHz
15 pF
DO-41
COLOR BAND DENOTES CATHODE
Symbol Parameter Value Units
I
O
Average Rectified Current
.375 " lead length @ T
A
= 75
C
1.0 A
i
f(surge)
Peak Forward Surge Current
8.3 ms single half-sine-wave
Superimposed on rated load (JEDEC method)
30 A
P
D
Total Device Dissipation
Derate above 25
C
2.73
18
W
mW/
C
R
JA
Thermal Resistance, Junction to Ambient 55
C/W
T
stg
Storage Temperature Range -65 to +175
C
T
J
Operating Junction Temperature -65 to +175
C
1.0 min
(25.4)
0.107 (2.72)
0.080 (2.03)
0.034 (0.86)
0.028 (0.71)
0.205 (5.21)
0.160 (4.06)
Dimensions in
inches (mm)
Discrete POWER & Signal
Technologies
1N4933GP-1N4937GP
1N4933GP-1N4937GP, Rev. A
Typical Characteristics
P u l s e
G e n e r a t o r
(Note 2)
50
N O N I N D U C T I V E
50
N O N I N D U C T I V E
D U T
(-)
(+)
O S C I L L O S C O P E
(Note 1)
50
N O N I N D U C T I V E
5 0 V
(approx)
NOTES:
1. Rise time = 7.0 ns max; Input impedance = 1.0 megaohm 22 pf.
2. Rise time = 10 ns max; Source impedance = 50 ohms.
Reverse Recovery Time Characterstic and Test Circuit Diagram
Forward Current Derating Curve
0
25
50
75
100
125
150
175
0
0.2
0.4
0.6
0.8
1
AMBIENT TEMPERATURE ( C)
F
O
R
W
AR
D CU
RR
E
N
T
(
A
)
SINGLE PHASE
HALF WAVE
60HZ
RESISTIVE OR
INDUCTIVE LOAD
.375" 9.0 mm LEAD
LENGTHS
Non-Repetitive Surge Current
1
2
5
10
20
50
100
0
10
20
30
40
NUMBER OF CYCLES AT 60Hz
PE
AK
FO
R
W
A
R
D
S
U
RG
E
CU
RR
ENT
(
A
)
Forward Characteristics
0.6
0.8
1
1.2
1.4
1.6
1.8
2
0.01
0.03
0.1
0.3
1
3
10
20
FORWARD VOLTAGE (V)
F
O
R
W
AR
D CU
RR
EN
T
(
A
)
Pulse Width = 200
S
2% Duty Cycle
T = 25 C
J
Pulse Width = 300
S
2% Duty Cycle
T = 25 C
A
Reverse Characteristics
0
20
40
60
80
100
120
140
0.1
1
10
100
PERCENT OF RATED PEAK REVERSE VOLTAGE (%)
RE
V
E
RS
E
C
U
R
R
E
N
T
(
A
)
T = 25 C
J
T = 25 C
A
T = 100 C
A
1.0cm SET TIME BASE FOR
trr
+0.5A
0
-0.25A
-1.0A
5/ 10 ns/ cm
Typical Junction Capacitance
1
2
5
10
20
50
100
1
2
5
10
20
REVERSE VOLTAGE (V)
J
U
NCT
I
O
N
CA
P
A
CI
T
A
N
C
E
(
p
F
)
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